Features:1. This downloader is much better than the red version. It uses CH340C chip and ESP8266 auto download circuit. It has a reset switch.2. It supports for Arduino IDE, Ai-Thinker ESP8266 Flasher and Espressif FLASH_DOWNLOAD_TOOLS.3. No connection required, no button press required, the Wi-Fi module automatically switches to download mode.This downloader adopts CH340CUSB to serial chip, and adds ESP8266 automatic download circuit, which is very convenient for users to download program, upgrade firmware, serial debugging, etc. Support Arduino IDE, Anco ESP8266 Flasher and Lexin FLASH-DOWNLOAD-TOOLS download software with one click, no need to connect cables, no need to press any keys. The WiFi module will automatically enter the download mode.Package included:3pcs CH340C ESP8266 ESP-01 Prog WIFI Downloader, USB to ESP8266, CH340C Breakout Prog Programmer Downloader Module for ESP-01 for ESP-01S IDE DC 5V Debugger Module, with Reset Auto-Download Circuit, with Reset Button